Home / 7,850.31-10,828.62-4,661.44

Finding the Fourth Proportional to 7,850.31, 10,828.62 and 4,661.44

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Solution

The fourth proportional to 7,850.31, 10,828.62 and 4,661.44 is: 6,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.31 : 10,828.62 = 4,661.44 : x
  2. Step 2: Convert to fraction form
    7,850.31/10,828.62 = 4,661.44/x
  3. Step 3: Cross multiply
    7,850.31x = 10,828.62 × 4,661.44
  4. Step 4: Simplify right side
    7,850.31x = 50,476,962.41
  5. Step 5: Solve for x
    x = 50,476,962.41/7,850.31
  6. Step 6: Final answer
    x = 6,429.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.